Wire bed-bottom fabric.



P. P. DOOLEY. WIRE BED BOTTOM FABRIC.

APPLIGLTIOK nun APB.13, 1914.

1,105,262. Patented July 28, 1914,

UNITED STATES PATENT OFFICE. I

FRANK P. DOOLEY, OFCHICAGO, ILLINOIS;

WIRE BED-BOTTOM FABRIC.

To all whom it may concern:

Be it known that I, FRANK P. DooLEY, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Wire Bed-Bottom Fabrics, of which the following is a fully clear, concise, and exact descr ption, refer ence being had to the accompanying drawings, forming a part of this specification.

My invent-ion relates to metal fabrics that.

are of service for example in the construction of furniture and finds a useful embodl- 1nent in mattresses or mattress supports.

Such fabrics are made ofassembled units formed of wire. I My invention relates particularly to fabrics that include componentnnitsin their. construction that are in the form ,of major. loops,each major loop having a minor loopf joining its sides and inturned toward the; opposite ends of the major loop., A fabric including loops of this formation is vdisclosed in my United States Letters Patent No. 1,081,438, patented December-16,1913, though the invention is not to be limited, in

all of its embodiments, to the-form of fabric disclosed in said patent.

In such fabric units as those here mentioned the sides of the .minor loop and the sides of the major loop between :whichthe; minorloop intervenes are in serial order, a

major loop side being followed by an adj acent minor loop side which in turn is followed by the remaining minor loop side that: is finally followed by the remaining major: loop side, none ofthe wire of the unit being crossed atthe minor loop end thereof. .A fabric having such units is very eflicient] when embodied in a structure as set forth in my aforesaid patent but in order to. adapt fabric having such units in its formation to the support of very heavy or bouncing loads I havetwisted the minor loops'about axes substantially lying in the plane of the fabric or the loops thereof in order to cross the sides of the minor loops to. prevent these sides from materially spreading apart when Specification of Letters Patent.

preferred embodiment thereof Patented July 28, 1914..

Application filed. April 13, 1914. semi No. 831,511.

broken away fabric; Fig. .2 is a side view of the structure of Fig- 1; Fig. 3 is a perspective view of the preferred form of fabric composing unit; Fig.4: is a perspective view'ofa modified fabric composing unit; Fig. 5 is a view of the minor loop end of the fabric unit illustrated in Fig. 3; Fig. 6 is a view online 6-6 of Fig. 3; andFig. 7 is a view on line 7-4" of Fig. 3. I Likepar'ts are indicated by similar characters of reference throughout the different figures."-

Each wire fabric composing unit is in the form of a major loop whose sides 1, which are preferably straight, terminate each. in a hook 2, the sides of each loop being joined at-their ends opposite the hooks by a minor loop 3which is inturned toward the hooks so as to, lie between the loop sides 1 of the j.

same loop and substantially in the same having the sides 11 is provided with two. bights 4 instead of one bight and whereby each major loop possesses sufficient resilience to enable it to become a component part of a springy fabric without the necessity of introducing ciirvat-ure. between the bights 1 and hooks 2, though I do not wish to be limited to the absence of this curvature. I The rows of adjacent units desirably extend transversely of thelengthof the fabric, the units at the ends of these rows being suitably attached as for'example to side strips 5. The

'bights at in the units comprising each row suitable link 8. At one end of the fabric the linksi8 are connected withthe hooks 2.

At the opposite end of the fabric the: last row OfHIlitS is joined with the links 8 through the intermediation of links9.

Each fabricunit illustrated is generally of V-shape, the sides 1 (that are preferably" straight) converging from their hook ends 2 toward the minor loops 3. These minor loops'of the fabric units in eachrow. are thus immediately disposed between the hook ends 2 of adjacent units in an adjacent row I Figure 1 is a plan view of a portionfofa I plane therewith, whereby each major loop whereby the employment of links, which themselves aiford no cushioning action, is not required for assembling fabric units into a fabric. The loop sides 1 of each unit in each row thus combine with the adjacent loop sides of adjacent units in an adjacent row that are connected with the first-mentioned loop sides at books 2 to form figures which are substantially of diamond shape, whereby series of connected portions 1 are disposed in directions that slope with respect to the sides of the fabric, there being substantially no load supporting elements such as unit connecting links or parallel loop sides which extend at right angles to any side of the fabric so that the main load sup porting ridges 1 of the fabric perform their load supporting function without being prominently and uncomfortably presented to the load, a result which is enhanced as aforesaid, by the absence of unyielding unit binding links.

The characteristics of the fabric thus very specifically described in connection with the accompanying drawing have been set forth in my aforesaid patent, and while my invention is preferably embodied in a fabric having these characteristics it is not to be limited to such an embodiment.

In practising my present invention the inturned loops 3 are bodily twisted in planes transverse to the general plane of the fabric and the major loops of the fabric units or about axes that lie substantially in the plane of the fabric and the units thereof whereby the sides of the minor loops are crossed once as indicated in Figs. 1, 2, 3, 5, 6 and 7 or more than once as indicated in Fig. 4:. The formation illustrated in Figs. 1, 3, 5, 6 and 7 is preferred, the crossed sides of each minor loop forming an eye that will sufficiently oppose undue separation of the sides of the major loop, a result which is desirably promoted by having each minor loop side received in a depression 10 in the complemental minor loop side (Figs. 5, 6

,and 7), the sides of each minor loop being thus interlocked though preferably permitting very limited movement where the minor loop sides cross slightly to promote the flexibility of the fabric. In the construction of Fig. 3 the minor loop is twisted through an arc of whereas in the construction of Fig. 4 the minor loop is twisted through a complete circle, the slight relative movability that remains between the minor loop sides in the structure of Fig. 3 being eliminated in the structure of Fig. 4.

While I have herein shown and particularly described the preferred embodiment of my invention I do not wish to be limited to the precise details of construction shown as changes may readily be made without departing from the spirit of my invention, but

Having thus described my invention I claim as new and desire to secure by Letters Patent the following 1. A wire fabric including a plurality of adjacent rows of adjacent units, each unit being in the form of a V-shaped loop having straight sides, which sides terminate, where farthest apart, in hooks, and which sides are joined at their ends opposite the hooks bya minor loop having crossed sides and inturned toward the hooks and affording two separated bights between its sides and the aforesaid sides of the larger loop, thesebights formed in each fabric unit of each row being engaged by the hooks in which the adjacent sides of adjacent fabric units in an adjacent row terminate, the sides of each fabric unit in each row forming with the adjacent sides of adjacent fabric units in an adjacent row connected therewith by the hooks of the first fabric unit figures of substantially diamond shape.

2. A wire fabric including a plurality of adjacent rows of adjacent units, each unit being in the form of a V-shaped loop having sides, which sides terminate, where farthest apart, in hooks, and which sides are joined at their ends opposite the hooks by a minor loop having crossed sides and inturned toward the hooks and affording two separated bights between its sides and the aforesaid sides of the. larger loop, these bights formed in each fabric unit of each row being engaged by the hooks in which the adjacent sides of adjacent fabric units in an adjacent row terminate, the sides of each fabric unit in each row forming with the adjacent sides of adjacent fabric units in an adjacent row connected therewith by the hooks of the first fabric unit figures of substantially diamond shape.

3. A wire fabric including a plurality of adjacent rows of adjacent units, each unit being in the form of a V-shaped loop having straight sides, which sides terminate where farthest apart, in hooks, and which sides are joined at their ends opposite the hooks by a minor loop having crossed interlocked sides and inturned toward the hooks and affording twoseparated bights between its sides and the aforesaid sides of the larger loop, these bights formed in each fabric unit of each row being engaged by the hooks in which the'adjacent sides of adjacent fabric units in an adjacent row terminate, the sides of each fabric unit in each row forming with the adjacent sides of adjacent fabric units in an adjacent row connected therewith by the hooks of the first fabric unit figures'of substantially diamond shape. I

4. A wire fabric including a plurality of adjacent rows of adjacent units, each unit being in the form of a V-shaped loop having sides, which sides terminate, where far thest apart, in hooks, and which sides are joined at their ends opposite the hooks by a minor loop having crossed interlocked sides and inturned toward the hooks and afiording two separated bights between its sides and the aforesaid sides of the larger loop, these bights formed in each fabric unit of each row being engaged by the hooks in which the adjacent sides of adjacent fabric units in an adjacent row terminate, the sides 0 of each fabric unit in each row forming with the adjacent sides of adjacent fabric units in an adjacent row connected therewith by the hooks of the first fabric unit figures of substantially diamond shape.

In Witness whereof, I hereunto subscribe my name this 9th day of A ril A. D., 1914.

Witnesses:

G. L. CRAGG, ETTA L. WHITE.

copies of this pltent may be obtained for five cents each, by addressing the Commissioner of Istents, wsshlnzton, D. 0."

FRANK DOOLEY. I 

